Milan Obuch wrote:
On Wednesday 22 July 2009 04:20:27 Sagara Wijetunga wrote:
Hi FreeBSD community
The SCSI device (eg. da1s1) is not created automatically upon a CF card
plug in on an USB multi-card reader on FreeBSD 7.2 (i386) but the SCSI
device (eg. da1s1) is created automatically if I reboot the computer while
the CF card is plug in.
Here are detail:
$ camcontrol devlist
<GENERIC USB Storage-SMC 010D> at scbus0 target 0 lun 0 (pass0,da0)
<GENERIC USB Storage-CFC 010D> at scbus0 target 0 lun 1 (pass1,da1)
<GENERIC USB Storage-MMC 010D> at scbus0 target 0 lun 2 (pass2,da2)
<GENERIC USB Storage-MSC 010D> at scbus0 target 0 lun 3 (pass3,da3)
After the CF card is plugged in:
$ ls -l /dev/ | grep da
crw-r----- 1 root operator 0, 105 Jul 22 13:18 da0
crw-r----- 1 root operator 0, 106 Jul 22 13:18 da1
crw-r----- 1 root operator 0, 107 Jul 22 13:18 da2
crw-r----- 1 root operator 0, 108 Jul 22 13:18 da3
After reboot while the CF card is plugged in:
$ ls -l /dev/ | grep da
crw-r----- 1 root operator 0, 105 Jul 22 13:24 da0
crw-r----- 1 root operator 0, 106 Jul 22 13:24 da1
crw-r----- 1 root operator 0, 110 Jul 22 13:24 da1s1
crw-r----- 1 root operator 0, 107 Jul 22 13:24 da2
crw-r----- 1 root operator 0, 108 Jul 22 13:24 da3
My questions in this regards are:
1. Is this an error/bug in FreeBSD 7.2?
This is known limitation of, I think, GEOM stack.
No, it is certainly not. What would be the point?
The problem the OP is not that the CF device itself is not detected -
the device being /dev/da1 - but that the partition on the device (da1s1)
is not detected. It is possibly malformed.
The OP should nuke the device (overwrite with dd if=/dev/zero
of=/dev/da1 bs=1m), re-create the partition table and see if that helps.
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